/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package MODEL.CONTROLLER;

import MODEL.DAO.*;
import MODEL.POJO.*;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author kijoo
 */
@WebServlet(name = "HomeController", urlPatterns = {"/HomeController"})
public class HomeController extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        String action = request.getParameter("Action");
        if (action != null) {
            if (action.equals("View")) {
                ArrayList<LoaiSanPhamPOJO> loaisanphams = LoaiSanPhamDAO.LayDanhSachLoaiSanPham();
                request.setAttribute("LoaiSanPhams", loaisanphams);
                request.getRequestDispatcher("/homeindex.jsp").forward(request, response);
            }
            if (!action.equals("View")) {
                String idloaisanpham = request.getParameter("idloaisanpham");
                request.setAttribute("LoaiSanPhams", idloaisanpham);
                ArrayList<TinTucPOJO> dstt = TinTucDAO.LayTinMoiXuatHien();
                request.setAttribute("DanhSachTinTuc", dstt);
                ArrayList<LoaiDanhMucPOJO> loaidanhmuc = LoaiDanhMucDAO.LayDanhSachLoaiDanhMuc(idloaisanpham);
                request.setAttribute("LoaiDanhMucs", loaidanhmuc);
                ArrayList<ChiTietSanPhamPOJO> spnoibat = ChiTietSanPhamDAO.LaySanPhamNoiBat(idloaisanpham);
                request.setAttribute("SanPhamNoiBats", spnoibat);
                ArrayList<ChiTietSanPhamPOJO> spbanchay = ChiTietSanPhamDAO.LaySanPhamBanChay(idloaisanpham);
                request.setAttribute("SanPhamBanChays", spbanchay);
                ArrayList<ChiTietSanPhamPOJO> spmoixuathien = ChiTietSanPhamDAO.LaySanPhamMoiXuatHien(idloaisanpham);
                request.setAttribute("SanPhamXuatHiens", spmoixuathien);
                if (action.equals("APPLE")) {
                    String idloaisp=request.getParameter("idloaisanpham");
                    HttpSession session = request.getSession();
                    session.setAttribute("IDLoaiSanPham", idloaisp);
                    request.getRequestDispatcher("/Apple.jsp").forward(request, response);
                }
                if (action.equals("LAPTOP")) {
                    request.getRequestDispatcher("/Laptop.jsp").forward(request, response);
                }
                if (action.equals("PC")) {
                    request.getRequestDispatcher("/PC.jsp").forward(request, response);
                }
            }
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
